VersionsDialogPresenterDownloadContentAsync - метод

Public Function DownloadContentAsync ( 
	versions As IEnumerable(Of FileVersionViewModel),
	Optional cancellationToken As CancellationToken = Nothing
) As Task(Of ( As List(Of String),  As ValidationResult))

public:
Task<ValueTuple<List<String^>^, ValidationResult^>>^ DownloadContentAsync(
	IEnumerable<FileVersionViewModel^>^ versions, 
	CancellationToken cancellationToken = CancellationToken()
)

member DownloadContentAsync : 
        versions : IEnumerable<FileVersionViewModel> * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task<ValueTuple<List<string>, ValidationResult>>